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Some dinosaurs were really huge. And now we may have a better way to estimate just how heavy these giants were. Researchers have developed a method to weigh dinosaurs, based on laser scans of their skeletons.

Forget leap years, months with 28 days and your birthday falling on a different day of the week each year. Researchers at Johns Hopkins University in Maryland say they have a better way to mark time : a new calendar in which every year is identical to the one before. [More]

Existing coherent ultraviolet light sources are power hungry, bulky and expensive. University of Michigan researchers have found a better way to build compact ultraviolet sources with low power consumption that could improve information storage, microscopy and chemical analysis.